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Sodium Naphthalene Sulphonate
Sodium Naphthalene Formaldehyde is light yellow to yellow-brown powder, an anionic surfactant. sodium
naphthalene formaldehyde is soluble in water, acid, alkali and hard water, good dispersion properties. With
protein and polyamide fibers have affinity.
Mainly used to coloring for vat dyes, reactive dyes, acid dyes, acid staining pad or pigment pad dyeing of the
dispersing agent, as a auxiliaries for vat dyes's powder or sizing agent. Also used staining to levelling agent and
auxiliary tanning agent in leather industry.
No corrosion products on steel. Widely used in concrete works, precast, sleepers, bridges, tunnels, military
engineering, hydraulic engineering, port and airstrip, high-rise building, etc.
|No||Index items||No||Index items|
|1||Net starch fluidity (mm)||≥ 250 %||4||Content of cl-(%)||≤ 0.3％|
|2||Solids content (%)||≥ 93 %||5||Na2SO4 content (%)||≤ 5 %|
|3||PH Value||7 - 9||6||surface tension (n/m)|| (71±1)×10-3|
Features and Benefits
1. Water reducing rate is above 10%, it can also improve concrete flowability without increase water consumption.
2. Improve concrete workability. It can reduce cement consumption for 5-10% while keep the same compressive strength and slump value.
3. No chloride ion, no corrosion to the steel bar.
4. Improve concrete impermeability, compactability, freezing resistance and durability.
5. Reduce cement initial heat of hydration.
6. It is compatible with pumping agent to obtain retarding effect.
Instructions for use
1, this product is blended is generally 0.5-1%, featured content 0.6%. This product may be equipped with a solution before use, can also be used dry mixing method. Mix concrete transport vehicle, when you can also mix again.
2, the user when using the appliance for the first time or when you replace the cement, according to the specific circumstances and requirements, do the necessary testing concrete. During the course of construction, attention FDN-A added actual performance,summarizing experience effects, adjustments, in order to achieve the best results. Steam curing time should also determine reasonable conservation conditions and systems.
Packaging and storage:
1, lined with plastic film, packing with bags, each bag of net weights 25Kg ± 0.5kg.
2, this product is not flammable non-toxic, to be protected against rain, moisture when stored. If there are lumps, made of crushed or with solutions, does not affect the performance.
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